Home / 3,909.94-5,860.80-1,443.18

Finding the Fourth Proportional to 3,909.94, 5,860.80 and 1,443.18

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Solution

The fourth proportional to 3,909.94, 5,860.80 and 1,443.18 is: 2,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.94 : 5,860.80 = 1,443.18 : x
  2. Step 2: Convert to fraction form
    3,909.94/5,860.80 = 1,443.18/x
  3. Step 3: Cross multiply
    3,909.94x = 5,860.80 × 1,443.18
  4. Step 4: Simplify right side
    3,909.94x = 8,458,189.34
  5. Step 5: Solve for x
    x = 8,458,189.34/3,909.94
  6. Step 6: Final answer
    x = 2,163.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.